December 13, 2022 - Security Only Update for .NET Framework 4.8 for Windows Server 2012 R2 (KB5020902) (2023)

FAQs

What is the security update for .NET Framework December 2022? ›

NET Security Update for December 2022. Microsoft has released a security Update for . NET which resolves Remote Code Execution Vulnerability. On Windows, this QID detects vulnerable versions of Microsoft .

This update for Windows Server 2012 includes a fix to an issue introduced in the October 15 ^th Cumulative update. See the Quality and reliability improvements section for more details.

Windows Server 2012 and Windows Server 2012 R2 will end on October 10, 2023. After this date, these products will no longer receive security updates, non-security updates, bug fixes, technical support, or online technical content updates.

KB5021237 December 13, 2022

This update addresses a known issue that might affect the Local Security Authority Subsystem Service (lsass.exe). It might leak memory on Active Directory Domain Controllers. This issue might occur when you install Windows updates dated November 8, 2022, or later.

NET Framework 4.8 is included with Server 2022, and runs any . NET Framework 4.

Microsoft . NET Framework 4.8 is available on Windows Update and on Windows Server Update Service (WSUS).

x/4.8. x from your computer, go to Control Panel, choose Programs and Features, choose View installed updates, select Update for Microsoft Windows (KB2828152) and then choose Uninstall.

How to Uninstall NET Framework 4.8 on Windows Server 2012 R2? ›

Navigate to Control Panel | Add/Remove Programs (Programs and Features) | click the View Installed Updates link on the left. Search for the following KB numbers and uninstall them if they exist.

NET Core 3.1—are LTS. Your out-of-support versions will still work, but you will miss important security and bug fixes. Because Framework 4.8 and Core 3.1 are LTS for at least two more years, you may choose to delay migration until the next LTS release (. NET 6), scheduled for November 2021.

Microsoft is set of end extended support for Windows Server 2012 and Windows Server 2012 R2 in October 2023. The company is reminding customers that it will no longer provide software updates, security patches, and technical support after this date.

Security. Updates often patch newly discovered security vulnerabilities, fixing loopholes that could otherwise be used to attack your system. Therefore, if you're running older versions of your operating system and other programs, you leave your computer open to these exploits.

You can „rearm“ Windows Server 2012 R2 evaluation up to 5 times. Following command will „rearm“ your trial Windows Server 2012 R2 Run Command Prompt with Administrator Privileges and run following command: slmgr.

After installing updates released June 14, 2022, you might have issues using Wi-Fi hotspot on Windows device. Network Policy Server (NPS), Routing and Remote access Service (RRAS), Radius, and other services might fail.

Windows Server 2022 is the latest release in our Long-Term Servicing Channel (LTSC). It builds on Windows Server 2019, our fastest adopted Windows Server ever. This release includes advanced multi-layer security, hybrid capabilities with Azure, and a flexible platform to modernize applications with containers.

When the Windows 10 2022 Update aka Windows 10, version 22H2 is ready for your device, it will be available to download from the Windows Update page in Settings. Choose a time that works best for you to download the update. You'll then need to restart your device and complete the installation.

Supported server operating systems

Windows Server 2012 includes .NET Framework 4.5, so you don't have to install it separately. Similarly, Windows Server 2012 R2 includes .NET Framework 4.5.1.

The . NET Framework 4.5 and later versions are backward-compatible with apps that were built with earlier versions of the . NET Framework. In other words, apps and components built with previous versions will work without modification on the .

Does .NET 4.8 include 4.7 2? ›

if you have 4.8 then you have 4.7. 2 automatically.

Microsoft . NET Framework 4.8 is available on the Microsoft Update Catalog website for download and for import into Windows Software Update Services (WSUS).

The main reason behind this

NET Framework 4.8 is not supported on this operating system its simply means you are using an outdated Windows 10 operating system.

Detect .NET Framework 4.5 and later versions. The version of .NET Framework (4.5 and later) installed on a machine is listed in the registry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full. If the Full subkey is missing, then .NET Framework 4.5 or above isn't installed.

Cause. In Windows Server 2012 R2, the . NET Framework 3.5 feature is an on-demand feature that its files are not saved on the server during the Windows installation due to decreasing the disk space taken by the Operating System. So The feature Installation failed because the source files could not be found!

Cause. To avoid this issue, restart the system before you install the new Microsoft . NET Framework updates. If you have already experienced the condition, and an update did not install because of this issue, restart the computer and then reinstall the new updates.

How to uninstall security update in Windows Server 2012 R2? ›

Per the above message, please go to Control Panel-Uninstall a program-View installed updates to find the KB4054566, right click it and choose 'Uninstall' to uninstall the . NET Framework 4.7. 2.

The only solution for this problem is to simply update your Windows 10. It is advised to check for Windows Updates even if you are on the latest version of Windows 10. Since the problem is caused by incompatible operating system, installing all the available Windows 10 updates will most likely resolve the issue.

You can search for core or . net to filter and show installed versions of . NET. Select any versions you want to remove from your computer and click Uninstall.

Net 4.7 - Still supported. . Net 4.8 - Indefinite support as long as it's installed on supported operating systems.

. NET Framework 4.5. 2, 4.6, and 4.6. 1 retired on April 26, 2022.

NET Core and . NET Framework is a platform for . NET applications on Windows whereas, NET Core is the latest version of the . NET Framework which is a cross-platform and open-source framework optimized for modern app needs and developer workflows.

Why is Windows Server 2012 R2 a good server OS? ›

Windows Server 2012 R2 is is one the stable version of windows servers and it's the backbone our data center as 95% servers are running with 2012 R2. And it has many features to reduce the external malware attacks and it ultimately improved both reliability ans stability for a grater user experience.

When it comes to the user interface, there's little difference between Windows Server 2012 R2 and its predecessor. The real changes are under the surface, with significant enhancements to Hyper-V, Storage Spaces and to Active Directory.

Windows updates help you to stay productive and protected. They provide your users and IT administrators with the security fixes they need, and protect devices so that unpatched vulnerabilities can't be exploited.

Apart from patching flaws, Android security updates also ensure that your device is up-to-date, receives new features, and delivers improved performance. This is why it is important to buy smartphone brands that are great with security updates.

In this article

Please go here to search for your product's lifecycle. Windows Server 2012 and Windows Server 2012 R2 will end on October 10, 2023. After this date, these products will no longer receive security updates, non-security updates, bug fixes, technical support, or online technical content updates.

Users are entitled to 5 years of mainstream support and 5 years of extended support. The Long-Term Servicing Channel will continue to receive security and non-security updates, but it will not receive the new features and functionality.

Product licenses do not expire. They are valid for as long as you own the product. Software Assurance benefits expire after three years.

On 3 December 2022, extended support for Microsoft . NET Core 3.1 will end. After that date, your applications that are hosted on Functions will continue to run and your applications will not be impacted. However, we'll no longer provide patches or customer service for .

How do I update my .NET security update? ›

Getting the Update

The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog. The Security Only Update is available via Windows Server Update Services and Microsoft Update Catalog.

Only the latest version of each platform—. NET Framework 4.8 and . NET Core 3.1—are LTS. Your out-of-support versions will still work, but you will miss important security and bug fixes.

NET Framework includes the developer tools, languages, and libraries needed to develop Windows applications. . NET Core is a complete rewrite intended to make it a more flexible, cross-platform, modular approach to application development. However, they do share: The same base class library.

. NET Framework 4.5. 2, 4.6, and 4.6. 1 retired on April 26, 2022.

NET Framework 4.8 for Windows Server 2012.

If you want to install the update now, select Start > Settings > Update & Security > Windows Update , and then select Check for updates.

Visual Studio 2012 installed on your computer. . NET Framework 4.5 installed on your computer.

How do I know if .NET 4.8 is installed? ›